mrkn	2018-02-25 00:36:09 +0900 (Sun, 25 Feb 2018)

  New Revision: 62567

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62567

  Log:
    rb_int_powm: call rb_int_pow directly
    
    * bignum.c (rb_int_powm): call rb_int_pow directly instead of calling `**`
      operator.

  Modified files:
    trunk/bignum.c
Index: bignum.c
===================================================================
--- bignum.c	(revision 62566)
+++ bignum.c	(revision 62567)
@@ -7051,7 +7051,7 @@ rb_int_powm(int const argc, VALUE * cons https://github.com/ruby/ruby/blob/trunk/bignum.c#L7051
     rb_check_arity(argc, 1, 2);
 
     if (argc == 1) {
-        return rb_funcall(num, rb_intern("**"), 1, argv[0]);
+        return rb_int_pow(num, argv[0]);
     }
     else {
         VALUE const a = num;

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